57845423815 has 4 divisors (see below), whose sum is σ = 69414508584. Its totient is φ = 46276339048.

The previous prime is 57845423789. The next prime is 57845423819. The reversal of 57845423815 is 51832454875.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57845423815 - 2¹³ = 57845415623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57845423819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5784542377 + ... + 5784542386.

It is an arithmetic number, because the mean of its divisors is an integer number (17353627146).

Almost surely, 2^57845423815 is an apocalyptic number.

57845423815 is a deficient number, since it is larger than the sum of its proper divisors (11569084769).

57845423815 is a wasteful number, since it uses less digits than its factorization.

57845423815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11569084768.

The product of its digits is 5376000, while the sum is 52.

The spelling of 57845423815 in words is "fifty-seven billion, eight hundred forty-five million, four hundred twenty-three thousand, eight hundred fifteen".